with the body of the book ; and I have on<
express my gratitude to correspondents and c
for their continued help. ,tr T T
^ Wru-'RiD J. L
PREFACE TO THE SEVENTH ED]
T HAVE to thank the following firms for cc
•*• to the Sixth and Seventh Editions:—
Messrs.* Bopp & Reuther, Mannheim.
Greenwood & Batley, Leeds.
Alfred Herbert, Limited, Coventry.
Pfeil & Co., London (acting for J. Reinec
Fletcher, Russell, & Co.
Waygood & Otis, London.
^ /^ v/ , / ,v * WILFRID J. L
Goldsmiths' Institute, J
PREFACE TO THE EIGHTH EDO
TTHIS Edition has been considerably enlarge
•*• to still keep the book fully abreast of
and the following firms and gentlemen have rj
assisted me with matter for Appendix VI. :—
Messrs, Samuelson & Co. Banbury, Pfeil & Cj
Alfred Herbert, Ltd., Coventry, Herbert Morrid
and Crossley Bros. Messrs, Andrew Forster, (j
ball, J. Hartley Wicksteed, R K. Kennard,'
W. W. F. Fallen ; to all of whom and to othc
te'nder my sincere thanks. ^ | j
% PREFACE TO THE
NINTH, TENTH, AND ELEVENTH Et|
ENERAL revision correction only
WILFRID J. L